<script setup lang="ts">
defineOptions({
  name: 'ConsultIllness'
})
import { fileImg } from '@/apis/consult';
import type { IllnessForm, Image } from '@/types/consult';
import { showConfirmDialog, showFailToast, showToast, type UploaderAfterRead, type UploaderFileListItem } from 'vant';
import { computed, onMounted, ref } from 'vue'
import { timeOptions, flagOptions } from '@/constants'

//定义表单响应式数据
const form = ref<IllnessForm>({
  illnessDesc: '',
  illnessTime: undefined,
  consultFlag: undefined,
  pictures: []
})

//保存上传图片数据
const fileList = ref<Image[]>([])

//	文件读取完成后的回调函数
const afterRead: UploaderAfterRead = async (item) => {
  if (Array.isArray(item)) return
  if (!item.file) return
  try {
    item.message = '上传中'
    item.status = 'uploading'
    //上传成功
    const res = await fileImg(item.file)
    item.message = ''
    item.status = 'done'
    item.url = res.data.url
    form.value.pictures?.push(res.data)
  } catch (err) {
    item.message = '上传失败'
    item.status = 'failed'
  }

}
//文件大小超过限制时触发
const overSize = () => {
  showFailToast('图片大小超过了5M')
}
//删除文件预览时触发
const onDelete = (item: UploaderFileListItem) => {
  form.value.pictures = form.value.pictures?.filter((img) => img.url !== item.url)
}

//处理下一步按钮样式
const isdisabled = computed(() => {
  return (
    form.value.illnessDesc === '' ||
    form.value.illnessTime === undefined ||
    form.value.consultFlag === undefined
  )
})
import { useConsultStore } from '@/stores'
import router from '@/router';
const store = useConsultStore()
//点击下一步按钮
const next = () => {
  if (form.value.illnessDesc === '') return showToast('请输入病情描述')
  if (form.value.illnessTime === undefined) return showToast('请选择患病时间')
  if (form.value.consultFlag === undefined) return showToast('请选择是否就诊过')
  //有内容保存表单数据
  store.setIllness(form.value)
  router.push('/user/patient?isChange=1')
}

//数据回显
onMounted(() => {
  if (store.consult.illnessDesc) {
    showConfirmDialog({
      title: '温馨提示',
      message: '是否恢复您之前填写的病情信息呢？',
      closeOnPopstate: false
    })
      .then(() => {
        // 表单数据回显
        form.value.illnessDesc = store.consult.illnessDesc
        form.value.illnessTime = store.consult.illnessTime
        form.value.consultFlag = store.consult.consultFlag
        fileList.value = store.consult.pictures || []
      })
      .catch(() => {
        // on cancel
      });
  }
})
</script>

<template>
  <div class="consult-illness-page">
    <cp-nav-bar title="图文问诊" />
    <!-- 医生提示 -->
    <div class="illness-tip van-hairline--bottom">
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <div class="info">
        <p class="tit">在线医生</p>
        <p class="tip">
          请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助
        </p>
        <p class="safe">
          <cp-icon name="consult-safe" /><span>内容仅医生可见</span>
        </p>
      </div>
    </div>
    <!-- 收集信息 -->
    <div class="illness-form">
      <van-field type="textarea" rows="3" placeholder="请详细描述您的病情，病情描述不能为空" v-model="form.illnessDesc"></van-field>
      <div class="item">
        <p>本次患病多久了？</p>
        <CpRadioBtn :genderOptions="timeOptions" v-model="form.illnessTime"></CpRadioBtn>
      </div>
      <div class="item">
        <p>此次病情是否去医院就诊过？</p>
        <CpRadioBtn :genderOptions="flagOptions" v-model="form.consultFlag"></CpRadioBtn>
      </div>
      <div class="illness-img">
        <van-uploader upload-icon="photo-o" upload-text="上传图片" max-count='9' :max-size="5 * 1024 * 1024"
          v-model="fileList" :after-read="afterRead" @oversize="overSize" @delete="onDelete">
        </van-uploader>
        <p class="tip" v-if="!fileList.length">上传内容仅医生可见,最多9张图,最大5MB</p>
      </div>
      <van-button type="primary" block round :class="{ disabled: isdisabled }" @click="next">下一步</van-button>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.consult-illness-page {
  padding-top: 46px;
}

.illness-tip {
  display: flex;
  padding: 15px;

  .img {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
  }

  .info {
    flex: 1;
    padding-left: 12px;

    .tit {
      font-size: 16px;
      margin-bottom: 5px;
    }

    .tip {
      padding: 12px;
      background: var(--cp-bg);
      color: var(--cp-text3);
      font-size: 13px;
      margin-bottom: 10px;
    }

    .safe {
      font-size: 10px;
      color: var(--cp-text3);
      display: flex;
      align-items: center;

      .cp-icon {
        font-size: 12px;
        margin-right: 2px;
      }
    }
  }
}

.illness-form {
  padding: 15px;

  .van-field {
    padding: 0;

    &::after {
      border-bottom: none;
    }
  }

  .item {
    >p {
      color: var(--cp-text3);
      padding: 15px 0;
    }
  }

  .illness-img {
    padding-top: 16px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;

    .tip {
      font-size: 12px;
      color: var(--cp-tip);
    }

    ::v-deep() {
      .van-uploader {
        &__preview {
          &-delete {
            left: -6px;
            top: -6px;
            border-radius: 50%;
            background-color: var(--cp-primary);
            width: 20px;
            height: 20px;

            &-icon {
              transform: scale(0.9) translate(-22%, 22%);
            }
          }

          &-image {
            border-radius: 8px;
            overflow: hidden;
          }
        }

        &__upload {
          border-radius: 8px;
        }

        &__upload-icon {
          color: var(--cp-text3);
        }
      }
    }
  }

  .van-button {
    font-size: 16px;
    margin-bottom: 30px;

    &.disabled {
      opacity: 1;
      background: #fafafa;
      color: #d9dbde;
      border: #fafafa;
    }
  }
}
</style>